package com.itheima.web;

import com.alibaba.fastjson.JSON;
import com.itheima.pojo.Brand;
import com.itheima.service.BrandService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

/**
 * @author げっしょく
 * @date 2021/9/5
 */
@WebServlet("/selectAll")
public class SelectAll extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //获取对象， 查询所有
        BrandService brandService = new BrandService();
        List<Brand> brands = brandService.selectAll();

        //将查询结果转换成JSON
        String s = JSON.toJSONString(brands);
        response.setContentType("text/json;charset=UTF-8");

        response.getWriter().write(s);
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doPost(request, response);
    }
}
